- Emily as Numbuh 5 (Numbuh 5's Voice Suits Emily The Beautiful Emerald Tender Engine)
- Spencer as Heinrich Von Marzipan (Heinrich Von Marzipan's Voice Suits Spencer The Silver Engine)
- Troublesome Trucks as Candy Bandits
- Zorran (from TUGS) as Al Sugarh
- James as Numbuh 1 (Cameo) (Numbuh 1's Voice Suits James The Red Tender Engine)
- Thomas as Numbuh 2 (Cameo) (Numbuh 2's Voice Suits Thomas The Blue Tank Engine)
- Rosie as Numbuh 3 (Cameo) (Numbuh 3's Voice Suits Rosie The Lavander Tank Engine)
- Percy as Numbuh 4 (Cameo) (Numbuh 4's Voice Suits Percy The Small Green Engine)
- Cree Summer - Emily
- Dee Bradley Baker - Spencer and Percy
- Rob Paulsen - Zorran
- Ben Diskin - James and Thomas
- Lauren Tom - Rosie
- Emily: Hm, hm, hm, hm, hm, How many times do I have to tell people?, The great candy is taken in greed always turns sour. Sorry I was late, James, I had to pick up ya gift.
- James: Blurpleberry!, Yuck!, You know I prefer Cherry!
- Emily: D'oh!, I can't believe it!, I can't believe it!
- James: What?, What did I say?